Compound lock



' 1,644,323 F. BORSODY ICOMPOUND LOCK Oct. 4, 1927.

Filed Sept. 4.,1926 2 Sheets-Sheet 1 i i a um; VIII;

Patented Oct. 4, 1927.

' FRANK; BQBSQDY, ha HE AG ihIP M ooivironnn LOCK.

Application filed September 4,1926. -Seria1'1\l'o. 133,540.

This invention relates to a compound lock and hasfor its object .to' provide a device of this character in which a main boltf-is secured in its operative position by a pri:

5 mary mechanism and is" further locked-by a supplemental bolt operated by elements actin in conj'un tion with the parts first mentioned. Y

further object is the provision of'a in key of novel construction; also compound in striuiturev and adapted ,to operate the primary and thesupplemental,- elements of the lock in conjunctionwitheach "other. i 'Theseiaiidother objects and-features of :5 the device; will be fully "described. in the following specificationiand illustrated in the accompanying drawings, in which Fig. l 'isa facefview of thelock fully- Fig. 6 1s a View of the e iwith the-main 1 elements in section. 1 a 1 Fig. '7 is View withlcertaln upper parts removed to show the bolt locked by the primary elements.

" 'Fig. 8 is a view of the lock with the parts in full but with portions broken through 35. to show certain mechanism which is'secured to theunder side of the bottom "plate. ,7

' Fig. 9 is a' section" on the line Y9'9'of Figure 8,

, a g 10.13 a vi ith all the parts. re

moved above the linef1 O-10 of Figure 9.

Fig. '11- is a fragmentary section on the line111l of Figure 7 Fig.' 12 is a fragmentary section on the line 12 -12 of Figure 7 V Referring now,jto' Figures 1, 2 and 3gof the drawings the device'compr1ses a casing 10',' havingatop plate 11 which isf'secured thereto by the screws as shown at 12, 13 etc. Aplat'e'14' supported byithe studs as shown 15,-l6'etcL divides a portion-of the caslng intofup'p'er and lower 5601310118.; A main bolt 17 has a' relatively ithin rear portion 18" which rests upon the plate being i guided by'the' slots 19: and20. For further comprehension of-this'bolt, referencewill' be had to fragmentary views 11 and 1.2 in

. 6, of the drawings.

{33. plate removed and the bolt thrown; but not the tumblerfl'r- A. tensir er s which it Will be seen that a downward dis: posed member Zlflis provided with s1ots 22 and 28. This member rests against the up. per edge of-the plate 14; as seen. at 2i in Figure 3. p i 4 Fro.

Referring nowlto Figure 7, it Wlll be seen that'the bolt When locked, is engaged in the'notch 5 by the pin '26 Which is afiiked to th .'tu1iib1 r 27, which tumbler swings vas on an arc from-the pivot notch 29'holds the bolt backwhen in its iPQPQha-v tive position, it being then engaged by the -said pin'26. I v.

The bolt is. t qw by nshr he ahd tu ningthev key- 30 which is illustrated F igure This keyis provided I with a primary bit 31 which integral with i the e T (inne a h-h ll; .he firmly affixed to 'thering base Av suppl m a hi 35 is h eire w th the'l hahk hep imahr hi1; m as es n o h hthe sup leme tal hit 3 re wh n t e lee e 32 is io qedfww l d hy th p ing i P ssibl 9 th Prima y hi and sl eve t u ly revolve/011 e han wh h aid sle ve i br ed ha k suffiien y t l give i free om;

e-' ey 'Wh n er ed correct position respect togthe primary! tum r 2. by mea s oft e id sleeve 40 which may be seen, in Figure" 4:.

is maintained in Further details of the key action will be i givenin connection with the description ofthe supplementallock elements:

-. Referring h t Fi ure and 1.0 f the drawings. a sw lhe eemehtih s-0.

n r h r tra h l i h p rts. (I the drawings under that numeral. Thi'ssege t ha a ra ge f mev ihhht W h hlh aperture 48 in the plate let. 'A supplemental key hole isflocated in one side. ,of the. said s gm n at andia r0ee t l te hh with the guide sleeve 40 when the segment, is

s ng ohe l ft by" th t qn 0? the lever ui -the pin 2 hisel e h eht d ethe pivot 46 and is further: supported byYa 'V bearing ingdicatedby the dotted line 47 7 a when the bit" o the key i a a ns in Figure he d-s. he said seem normalpqsition. M011; ted on the underside of the. plate 14 and; gu ded y the p v t and thepin 52 is. he s ppl menta b l S n t e in Figure 10. This bolt has stopmembers. 54

and ,55 and a jkey ELPGPHEQ 56. Tumblers I as shown at 57. are provid'edwith stop slots 5 as shown at 58, which engage the pin' 59, this pin being affixed to the supplementary bolt, Springsas shown at bear against the pin-Glxandrestrain thesaid tumblers. hen thrown, this supplemental bolt, by meansof the stop members 54 and .55 engages the slots22 and 23 of the main bolt; V*-"" {the plate T 14 as shown".

,fVVhen this main bolt-17 is thrownby the turning of the key bit 31 engaging the slot 62seen ifl'Figure 7,v the said bit arrives at a position inwhieh it points diagonally upward to the left as seen in Figure 8 of l p the drawings, ]No'\v, 'with continued refer-5 enceto Figure 8' and also vto Iigure "9 t Wil-ljbefseenthat in this position it' is in linewith" the supplementalf'key-hole 49 which I has been broughtunder it, bythe swinging c of the segmenman is necessary to hold it ni-nthisfpositionin order to pick-* up the ,sup'plementah bit 35iwhen same is 'to be r, withdrawn;andinorder to do this, theilatch gfi3fisgprovided, and is constructed and opertl a'te'diasfollows.,

a .i The said latch isfsupportedyby' the shaft" ly 64' xwhichpasses through thelock 'casing and gha's secured at, its extremity a crank? 65.

' This crank is. pivotally attached'to the draw bar 66 w hich hasa" foot piece 67; This 'foot pieceengagesthe leve'r*68f which is supportedwithin :the' bracket GQby meansOfthe *pini 705"]A plungertilirests; on the said lever a fand passes upward 'through the casing-tea w 31s i "keyhole when same is in operative position.

point, in alignment with the supplemental Thelatch is limited in m ovementby the slot 72 and thepin73 and" is hel d'in tension by the' SpI lIlg 74:'\Vhl Ch is secured toit and to It being understood "The full actionv of th'e lock is therefore as sous-W8 a The is inserted and -u1r1i i ,-Rthe" prim'ary'bitithrows the main bolt 'and'is stop- 'ped by the} latch member 63,: the supplemental, key hole icomes into alignment; the sup- 1. plemental key passes-through and; in turning throws the supplementalbolt which 611-] gagesf the slots Iin the main-iboltl plate,- the 'fsupplemntal key alignswith the main bit and is withdrawmandlthe double lockingof' 1 ,the ma'in'boltjis accomplished. l-- V V While have shownfandv described-= the preferred embodiment of the invention, I

do not wish to be held rigidly to the exact detailsof construction as illustrated, but claim the right to such minor modifications as'jmay come within the scope of the'appended claims. 1

Having thus described myinvention, what I claim asnew and desire to secure by Letters Patent, is as follows:

: 1. In a compound lock, a 'casing, a main i bolt slidably mounted "therem, means to secure the said bolt against withdrawal, and also mounted within the said casing, a supplemental bolt in positiontoengage the bolt first mentioned, a plate separating the said supplemental bolt from the main bolt ele-' ments, amovable member -with a" sup lenient-al'key aperture mounted on'the 'p ate,

means to bring the said supplemental ape'r t'ure; into i alignment, with a main key hole, and means toactuate the said supplemental bolt and to secure same in operative posltlon.

2Inx a comp0und"lock,"a casing, armain bolt slidablyf'mounted therein, means'to se-' cure the said'bolt I against withdrawal, and

also mounted within the said; casing, :a-sup 'plemental bolt in-position to engage the bolt first mentioned,a plate separating the said 1 supplemental bolt' from the main bolt-elements; a movable member with a supplemental key aperture, and means tocbring the --said supplemental aperture into alignment with a main key hole, so'thatajkey-may fit within the saidkey hole, the said key having a main bitganda supplemental bit adjacent thereto and adapted to engage the actuating elements of the-flock mechanisms 3-. In a compound lock, a, casing, a main bolt slidably-mounted therein, stop members i on the mainfbolt and adapted to engage a suitable tumblenand a downturned element slotted to receive the stop members of a supplementalbolt, a plateupon which the said I main bolt rests and under. which the said supplemental :bolt is m'ovablymounted, a

pivoted segment mounted on said plate andv a supplemental key hole therein; suitable stop members adjacent to the said supple mentalgbolt, the lock being operableby 21;,

compound key having primary and supplemental bit members, and meansto holdthe the primary bitof the saidkey during the rotation of the supplementalmember, sub-V stantially as shown and described.

-' 4.111 a compound-lock, a casing, amjain bolt slidably; 'mountedtherein, means to-s'ealso mounted within the said casing, a supsupplementallbolt from the main bolt elements-a movable member; with a" supplei'mental key hole being mounted onthe plate. .the said'movable member being. segmental in" form andpivotedat its apexland having thereon a pin by a "lever engaging the pin,

vcure the said-bolt against withdrawal, vand I ,plement'al bolt :in positiOn to, engage the bolt first menti'oned,a plate separating the said which lever, acted upon by a main tumbler, serves .to swing the said member and to bring the said supplemental keyhole in operative alignment, the lock being operable by a compound key having main and anxiliary bit members, substantially as shown and described.

5. In a compound look, a casing, a main bolt slidably mounted therein, means to secure the said bolt against withdrawal, and also mounted within the said casing, a supplemental bolt in position to engage the bolt first mentioned, a plate separating the said supplemental bolt from the main bolt elements a movable member on the plate and having a supplemental key aperture, means to bring the said supplemental aperture into alignment With a main key hole, a plunger pin located below the said key hole and in alignment therewith, a rocker lever engaging e theplunger pin, a draw member engaged by the rocker lever to turn the shaft of a latch element, which element is slotted to engage a main key bit when in operative position,

the lock being operable by a key having a 25 FRANK BORSO'DY.- 

